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Finding the Fourth Proportional to 366,300.23, 550,292.74 and 258,477.89

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Solution

The fourth proportional to 366,300.23, 550,292.74 and 258,477.89 is: 388,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,300.23 : 550,292.74 = 258,477.89 : x
  2. Step 2: Convert to fraction form
    366,300.23/550,292.74 = 258,477.89/x
  3. Step 3: Cross multiply
    366,300.23x = 550,292.74 × 258,477.89
  4. Step 4: Simplify right side
    366,300.23x = 142,238,502,919.86
  5. Step 5: Solve for x
    x = 142,238,502,919.86/366,300.23
  6. Step 6: Final answer
    x = 388,311.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.